This
is
an
open
access
article
under
the
terms
of
the
Creative
Commons
Attribution
License,
which
permits
use,
distribution
and
reproduction
in
any
medium,
provided
the
original
work
is
properly
cited.
©
2017
The
Authors.
Nursing Open
published
by
John
Wiley
&
Sons
Ltd
Med mindre annet er angitt, så er denne innførselen lisensiert som This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. © 2017 The Authors. Nursing Open published by John Wiley & Sons Ltd